bordo negundo or ash-leaved maple, male flowers in clusters on slender pedicels and pistillate flowers on drooping racemes. acer

negundo acer tree male ash maple slender sapindaceae drooping pedicels pistillate plant nature branch spring flower flora box elder manitoba pollen boxelder ashleaved yellow twig springtime green protoxin fresh raceme bud seed shortlived blossom blooming bloom threeleaf beautiful allergenic allergic poison ivy american leaf bordo closeup cluster